. Hog cholera, its nature and control . Heart. Usually normal. Filterable virus le-sions consist of petechias and ecchymoses whichare visible on the surfaces of the auricles, usuallythe left. Sometimes congestion of coronary ves-sels. Heart itself rarely the seat of secondary le-sions. Epicarditis and pericarditis often resultfrom secondary infection with Bad. suisepticum. Spleen. Sometimes normal or slightly en-larged. Very small bright-red protruding hem- ^ Hog cholera virus is only one of several influences capable ofproducing primary changes which, in the presence of secondaryinvasion with
. Hog cholera, its nature and control . Heart. Usually normal. Filterable virus le-sions consist of petechias and ecchymoses whichare visible on the surfaces of the auricles, usuallythe left. Sometimes congestion of coronary ves-sels. Heart itself rarely the seat of secondary le-sions. Epicarditis and pericarditis often resultfrom secondary infection with Bad. suisepticum. Spleen. Sometimes normal or slightly en-larged. Very small bright-red protruding hem- ^ Hog cholera virus is only one of several influences capable ofproducing primary changes which, in the presence of secondaryinvasion with either Bad. necrophorus or B. pyocyaneus may re-sult in the lung lesions mentioned in connection with these organ-isms. For instance, we regard lung worms in combination withB. pyocyaneus as a frequent cause of pneumonia in o o ?73 be _bJCS. o 48
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectclassic, bookyear1922
